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Table 3 Nitrous oxide environmental measurements in ppm

From: Nitrous oxide occupational exposure in conscious sedation procedures in dental ambulatories: a pilot retrospective observational study in an Italian pediatric hospital

Site

Date

Min

Max

Mean

SD

1

05.12.13

0.65

127.92

17.06

32.22

1

11.06.14

0.94

288.00

15.74

38.66

1

17.11.14

1.08

147.00

25.75

35.65

1

12.06.15

0.94

288.00

15.74

38.66

2

02.07.15

1.05

83.10

5.51

10.37

1

26.11.15

1.17

274.00

30.1

57.50

2

18.01.16

1.14

194.00

13.9

21.00

2

28.07.16

1.18

40.30

8.19

8.68

1

29.07.16

1.10

99.90

33.3

31.70

2

16.01.17

1.17

369.00

39.7

63.00

1

17.02.17

1.11

215.0

60.9

69.00

Mean Values

1.05

193.29

24.17